Changeset 8434 in orxonox.OLD for branches/atmospheric_engine/src/lib/graphics

Timestamp:

Jun 15, 2006, 1:01:31 AM (18 years ago)

Author:

amaechler

Message:

atmospheric_engine: fade work

Location:

branches/atmospheric_engine/src/lib/graphics/effects

Files:

• fog_effect.cc (modified) (4 diffs)
• fog_effect.h (modified) (1 diff)
• rain_effect.cc (modified) (7 diffs)

branches/atmospheric_engine/src/lib/graphics/effects/fog_effect.cc

@@ -123 +123 @@
 void FogEffect::draw() const {
 
+        // If Fog Fade In
         if (this->fogFadeInDuration > 0 && this->localTimer < this->fogFadeInDuration)
-                glFogf(GL_FOG_DENSITY, this->fogFadeDensity);
-        //else
-        //      glFogf(GL_FOG_DENSITY, this->fogDensity);
+                glFogf(GL_FOG_DENSITY, this->fogFadeInDensity);
+
+        // If Fog Fade Out
+        else if (this->fogFadeOutDuration > 0 && this->localTimer < this->fogFadeOutDuration)
+                glFogf(GL_FOG_DENSITY, this->fogFadeOutDensity);
+
+        // Normal Fog activate
+        else
+                glFogf(GL_FOG_DENSITY, this->fogDensity);
 
 }
@@ -134 +141 @@
                 return;
                 
-        if (this->fogFadeInDuration > 0 && this->localTimer < this->fogFadeInDuration) {
+        if ( this->fogFadeInDuration > 0 && this->localTimer < this->fogFadeInDuration ) {
                 this->localTimer += dt;
                 float progress = this->localTimer / this->fogFadeInDuration;
-                this->fogFadeDensity = progress * this->fogDensity;
+                this->fogFadeInDensity = progress * this->fogDensity;
         }
-        else if (this->fogFadeOutDuration > 0 && this->localTimer < this->fogFadeOutDuration) {
-                this->localTimer += dt;
-                float progress = this->localTimer / this->fogFadeInDuration;
-                this->fogFadeDensity = 1 - progress * this->fogDensity;
+        else if ( this->fogFadeOutDuration > 0 ) {
+                if ( this->localTimer < this->fogFadeOutDuration ) {
+                        this->localTimer += dt;
+                        float progress = this->localTimer / this->fogFadeInDuration;
+                        this->fogFadeOutDensity = 1 - progress * this->fogDensity;
+                }
+                else
+                        this->deactivate();
         }
 }
@@ -148 +159 @@
 void FogEffect::fadeInFog() {
 
+        // If Fog is already on, turn it off first
         if (this->fogActivate)
                 this->deactivate();
 
+        // If no manual FadeIn value was set, set a default value
         if (!this->fogFadeInDuration > 0)
                 this->fogFadeInDuration = 20;
 
+        // Reset local timer
         this->localTimer = 0;
+
+        // Activate Fog
         this->activate();
 
@@ -162 +178 @@
 void FogEffect::fadeOutFog() {
 
-        if (this->fogActivate)
-                this->deactivate();
-
+        // If Fog is off, turn it on first
+        if (!this->fogActivate)
+                this->activate();
+
+        // If no manual FadeOut value was set, set a default value
         if (!this->fogFadeOutDuration > 0)
                 this->fogFadeOutDuration = 20;
 
+        // Reset local timer
         this->localTimer = 0;
-        this->activate();
+
 }
 

branches/atmospheric_engine/src/lib/graphics/effects/fog_effect.h

@@ -53 +53 @@
                 GLint                           fogMode;
                 GLfloat                         fogDensity;
-                GLfloat                         fogFadeDensity;
+                GLfloat                         fogFadeInDensity;
+                GLfloat                         fogFadeOutDensity;
 
                 GLfloat                         fogStart;

branches/atmospheric_engine/src/lib/graphics/effects/rain_effect.cc

@@ -38 +38 @@
 CREATE_FACTORY(RainEffect, CL_RAIN_EFFECT);
 
-// TODO: Dim Light with Rain, Finish preCaching, check out if multiple rain emitters work,  Think about what happens with building poss. to hang movewithcam off, benchmark, possible to activate lightening, turn off visibility when in a building, variable emitter size depending on playable, also rain velocity
+/* TODO:
+        - preCaching
+        - test multiple rain emitters
+        - Think about what happens with building poss. to hang movewithcam off
+        - Possible to activate lightening
+        - turn off visibility when in a building
+        - variable emitter size depending on playable
+*/
 
 RainEffect::RainEffect(const TiXmlElement* root)
@@ -158 +165 @@
         if (this->rainWindForce != 0) this->soundSource.loop(this->windBuffer, 0.1f * this->rainWindForce);
 
-        lightMan->setAmbientColor(.1,.1,.1);
+        if (this->rainFadeInDuration == 0)
+                lightMan->setAmbientColor(.1,.1,.1);
 
         return 0;
@@ -195 +203 @@
 
                 // Dim Light
-                lightMan->setAmbientColor(1.1 - progress, 1.1 - progress, 1.1 - progress);
+                lightMan->setAmbientColor(1 - progress * 0.9, 1 - progress * 0.9, 1 - progress * 0.9);
 
                 // use alpha in color to fade in
@@ -210 +218 @@
                 // this->soundSource.fadein(this->rainBuffer, 10);
         }
-        else if (this->rainFadeOutDuration != 0 && this->localTimer < this->rainFadeOutDuration) {
-                this->localTimer += dt;
-                float progress = 1 - (this->localTimer / this->rainFadeOutDuration);
-
-                // Dim Light
-                lightMan->setAmbientColor(1.1 - progress, 1.1 - progress, 1.1 - progress);
-
-                // use alpha in color to fade in
-                RainEffect::rainParticles->setColor(0,   0.3, 0.3, 0.5, 0.2 * progress); // grey blue 1
-                RainEffect::rainParticles->setColor(0.5, 0.4, 0.4, 0.5, 0.2 * progress); // grey blue 2
-                RainEffect::rainParticles->setColor(1,   0.7, 0.7, 0.7, 0.2 * progress); // light grey
-
-                // increase radius for more "heavy" rain
-                RainEffect::rainParticles->setRadius(0, 0.03 * progress);
-                RainEffect::rainParticles->setRadius(0.2, 0.02 * progress);
-                RainEffect::rainParticles->setRadius(1, 0.01 * progress);
-
-                // increase sound volume
-                // this->soundSource.fadein(this->rainBuffer, 10);
+        else if ( this->rainFadeOutDuration != 0 ) {
+                if ( this->localTimer < this->rainFadeOutDuration ) {
+                        this->localTimer += dt;
+                        float progress = 1 - (this->localTimer / this->rainFadeOutDuration);
+        
+                        // Fade In Light
+                        lightMan->setAmbientColor(1 - progress * 0.9, 1 - progress * 0.9, 1 - progress * 0.9);
+
+                        // use alpha in color to fade out
+                        RainEffect::rainParticles->setColor(0,   0.3, 0.3, 0.5, 0.2 * progress); // grey blue 1
+                        RainEffect::rainParticles->setColor(0.5, 0.4, 0.4, 0.5, 0.2 * progress); // grey blue 2
+                        RainEffect::rainParticles->setColor(1,   0.7, 0.7, 0.7, 0.2 * progress); // light grey
+        
+                        // decrease radius
+                        RainEffect::rainParticles->setRadius(0, 0.03 * progress);
+                        RainEffect::rainParticles->setRadius(0.2, 0.02 * progress);
+                        RainEffect::rainParticles->setRadius(1, 0.01 * progress);
+        
+                        // decrease sound volume
+                        // this->soundSource.fadeout(this->rainBuffer, 10);
+                }
+                else
+                        this->deactivate();
         }
         
@@ -242 +254 @@
 
         this->localTimer = 0;
+
         this->activate();
 
@@ -248 +261 @@
 void RainEffect::stopRaining() {
 
-        if (this->rainActivate)
-                this->deactivate();
+        if (!this->rainActivate)
+                this->activate();
 
         if (!this->rainFadeOutDuration > 0)
@@ -255 +268 @@
 
         this->localTimer = 0;
-        this->activate();
-
-}
+
+}